We know science. It has been with us throughout our school days in the form of subjects, and nowadays it is a programme in the bottom third of cable TV.
Illusions foundThis text is about the geometry of Penrose-drawings. Their base is the Penrose-tiling, or Penrose-parquet - from a Hungarian translation (Géza Perneczki).
Penrose-tilingIFS means Iterated Function System. This is a description of an iterated function system mainly for novices in math.
About IFS